NH3 Liquid Level Switch HBSR

HBSR is a level switch for the detection of Ammonia and Brine refrigerants.

Typically it is installed in/on the refrigerant vessels, pump separators, economisers or heat exchanger.

The sensor is specially built to resist high pressure and low temperatures.

There are two types, one for liquid temperature -40..+50°C which should be used for refrigeration systems and one type for heat pumps with liquid temperature range +50..+80°C.

Features

Proven sensor technology for simple transsistor output PNP/NPN and NO/NC contact function. The NO/NC term refers to the state of the contact in "dry" condition, when not influenced by the liquid.
Designed for the industrial industry - max pressure 100 bar.
Clear indication with LED when refrigerant is detected.
Split design which makes it easy to install and make diagnostic on.

Download manual

TYPES

Output	Thread type	Ordering code
Level Switch for Refrigeration Systems:
PNP / NO	1/2″ NPT	HBSR-PNP/NO-1
PNP / NC	1/2″ NPT	HBSR-PNP/NC-1
PNP / NO	3/4″ NPT	HBSR-PNP/NO-2
PNP / NC	3/4″ NPT	HBSR-PNP/NC-2
PNP / NO	3/4″ BSPT	HBSR-PNP/NO-4
PNP / NC	3/4″ BSPT	HBSR-PNP/NC-4
PNP / NO	1/2″ BSPP	HBSR-PNP/NO-5
PNP / NC	1/2″ BSPP	HBSR-PNP/NC-5
PNP / NC	1/2″ BSPP	HBSR/WITT-PNP/NC-5
PNP / NO	3/4″ BSPP	HBSR-PNP/NO-6
PNP / NC	3/4″ BSPP	HBSR-PNP/NC-6
NPN / NO	1/2″ NPT	HBSR-NPN/NO-1
NPN / NC	1/2″ NPT	HBSR-NPN/NC-1
NPN / NO	3/4″ NPT	HBSR-NPN/NO-2
NPN / NC	3/4″ NPT	HBSR-NPN/NC-2
NPN / NO	3/4″ BSPT	HBSR-NPN/NO-4
NPN / NC	3/4″ BSPT	HBSR-NPN/NC-4
NPN / NO	1/2″ BSPP	HBSR-NPN/NO-5
NPN / NC	1/2″ BSPP	HBSR-NPN/NC-5
NPN / NO	3/4″ BSPP	HBSR-NPN/NO-6
NPN / NC	3/4″ BSPP	HBSR-NPN/NC-6

Spare parts for HBSR
Electronic part for HBSR-PNP/NO		HBSR-EL/PNP/NO
Electronic part for HBSR-PNP/NC		HBSR-EL/PNP/NC
Electronic part for HBSR-NPN/NO		HBSR-EL/NPN/NO
Electronic part for HBSR-NPN/NC		HBSR-EL/NPN/NC
Level Switch for Heat Pumps:
PNP / NO	1/2″ NPT	HBSR-HP-PNP/NO-1
PNP / NC	1/2″ NPT	HBSR-HP-PNP/NC-1
PNP / NO	3/4″ NPT	HBSR-HP-PNP/NO-2
PNP / NC	3/4″ NPT	HBSR-HP-PNP/NC-2
PNP / NO	3/4″ BSPT	HBSR-HP-PNP/NO-4
PNP / NC	3/4″ BSPT	HBSR-HP-PNP/NC-4
PNP / NO	1/2″ BSPP	HBSR-HP-PNP/NO-5
PNP / NC	1/2″ BSPP	HBSR-HP-PNP/NC-5
PNP / NO	3/4″ BSPP	HBSR-HP-PNP/NO-6
PNP / NC	3/4″ BSPP	HBSR-HP- PNP/NC-6
NPN / NO	1/2″ NPT	HBSR-HP-NPN/NO-1
NPN / NC	1/2″ NPT	HBSR-HP-NPN/NC-1
NPN / NO	3/4″ NPT	HBSR-HP-NPN/NO-2
NPN / NC	3/4″ NPT	HBSR-HP-NPN/NC-2
NPN / NO	3/4″ BSPT	HBSR-HP-NPN/NO-4
NPN / NC	3/4″ BSPT	HBSR-HP-NPN/NC-4
NPN / NO	1/2″ BSPP	HBSR-HP-NPN/NO-5
NPN / NC	1/2″ BSPP	HBSR-HP-NPN/NC-5
NPN / NO	3/4″ BSPP	HBSR-HP-NPN/NO-6
NPN / NC	3/4″ BSPP	HBSR-HP-NPN/NC-6

Spare parts for HBSR-HP
Electronic part for HBSR-HP-PNP/NO		HBSR-HP-EL/PNP/NO
Electronic part for HBSR-HP-PNP/NC		HBSR-HP-EL/PNP/NC
Electronic part for HBSR-HP-NPN/NO		HBSR-HP-EL/NPN/NO
Electronic part for HBSR-HP-NPN/NC		HBSR-HP-EL/NPN/NC

TECHNICAL SPECS

Power supply
Voltage	24 V AC/DC + 10%
Current consumption	< 200 mA
Max. current output	Max 50 mA
Plug connection	ISO4400/DIN 43650 – 4 pins
Output
Transistor output	PNP or NPN
Contact function	NC or NO
Environmental conditions
Ambient temperature	-30…+50°C
Refrigerant temperature	-40..+50°C/+50..+80°C (Std./Heat Pump Version)
Max pressure	100 bar
Protection degree	IP54 *
Vibrations	IEC 60068-2-6 (4g)
Mechanical specifications
Thread connection	3/4”
Material – liquid parts	AISI 304 / PTFE
Material- electronic parts	Nylon 6 (PA)
Dimensions	210x52x40
Weight	470 g
House design	Front
Approvals
EMC test	EN 61000-2
*For outdoor and low temperature application use low temperature type with built-in heater